Home / 115,560.60-159,471.64-64,574.16

Finding the Fourth Proportional to 115,560.60, 159,471.64 and 64,574.16

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Solution

The fourth proportional to 115,560.60, 159,471.64 and 64,574.16 is: 89,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,560.60 : 159,471.64 = 64,574.16 : x
  2. Step 2: Convert to fraction form
    115,560.60/159,471.64 = 64,574.16/x
  3. Step 3: Cross multiply
    115,560.60x = 159,471.64 × 64,574.16
  4. Step 4: Simplify right side
    115,560.60x = 10,297,747,196.82
  5. Step 5: Solve for x
    x = 10,297,747,196.82/115,560.60
  6. Step 6: Final answer
    x = 89,111.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.